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B S S
1
_S
15) TPM (Trusted Platform Module Header)
S
You may connect a TPM (Trusted Platform Module) to this header.
1 2 3
U
16) COM (Serial Port Header)
_ _
The COM header can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer.
_
_
17) BAT (Battery)
The battery provides power to keep the values (such as BIOS configurations, date, and time information)
in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low
level, or the CMOS values may not be accurate or may be lost.
_
B_
_ B
Pin No. Definition
S B_
1
12
11
2
3
4
2
1
5
6
3
F_USB3 F
Pin No. Definition
1
2
10
2
3
1
9
4
_
_
_B
5
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Unplug the the battery cable from the battery cable header and wait for one minute.
S F_
3. Plug in the battery cable.
4. Plug in the power cord and restart your computer.
B
2
(-)
Pin No. Definition
1(+)
2(-)
1
(+)
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Damage to your devices may occur if the battery is
replaced with an incorrect model.
• Contact the place of purchase or local dealer if you are not able to replace the battery by yourself
or uncertain about the battery model.
• Used batteries must be handled in accordance with local environmental regulations.
F_USB3
F_USB30 3
_
B
Pin No. Definition
B
LAD0
7
LAD3
VCC3
8
GND
LAD1
9
LFRAME
No Pin
10
NC
_ S
LAD2
11
SERIRQ
LCLK
12
LRESET
S_
_
B
_ U
_
B
Pin No. Definition
NDCD-
6
NDSR-
NSIN
7
NRTS-
NSOUT
8
NCTS-
NDTR-
9
NRI-
S _
GND
10
No Pin
RTC Power
GND
- 18 -
B S_
B
F
_ 0
_ F
_ 0
F
_3
U
S
S
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